Developed at the Wistar Institute in 1906. Objectives. https://medical-dictionary.thefreedictionary.com/Wistar+rat. Wistar rats - an inbred strain of rats used for research. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. 2010). W istar as a girls' name (also used as boys' name Wistar) is of German origin.Surname of unknown meaning. The amount of dermis collagen in the skin of, The aim of this work is to develop, validate, and provide a methodology for implementing WTD for, The present study provided new information on the responses of, The acute oral toxicity of DPE-28 was tested in female, Conclusion: This infers that calabash chalk, particularly the non-salted form, alters the normal concentration of Hb, RBC and P1 counts, and ESR, as observed in the female, Experiments were carried out using six-week-old male, When the same kind of study carried out in, Thus, the purpose of this study is to determine the effect of wheat-cassava composite bread on the liver architecture of, To characterize the effect of aging and regular low-intensity exercise on spinal cord biomarkers, 47 intact 3-month-old male, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content. Delivered to your inbox! Each member of GALAS received 50 breeding stock from RCC in 1998. ‘Albino Wistar rats fed on standard chow diet were obtained from the Animal House, College of Medicine, King Faisal University and used for the study.’ ‘Male Wistar rats were given 10 or 20% ethanol in the drinking water for 3 or 6 weeks and no chromosome aberrations were found in the bone marrow or peripheral blood lymphocytes.’ The rats were weighed with a Mettler balance and the weights recorded at the beginning and on the 28 th day of the study. Caspar, U.S. biologist, 1760-1818, after whom the Wistar Institute is named. an inbred strain of rats, homozygous at most loci, produced by strict brother-sister inbreeding over many generations to develop animals for research with the same general genetic composition. Pubertal Development and Reproductive Endpoints Triclosan exposure did not affect the age of onset of PPS at any of the doses evaluated ( Fig. A daily challenge for crossword fanatics. n. The common domestic rat , which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease. Figure Legend Snippet: Effect of Ro 64-6198 on cocaine and saccharin intake in Wistar rats. This strain was selected by DONALDSON in 1906 at the Wistar Institute (USA), from a batch belonging to Chicago University (RUSSEL-LINDSAY, 1979).The WISTAR rat is an outbred stock, used in all fields of medical and biological research.Its longevity and high rate of spontaneous tumours make it an ideal choice for ageing studies A clear dose and sex-related carcinogenic activity of DHPN was registered, although Wistar rats of both sexes showed a relative resistance to the carcinogenic activity of this compound. Adenocarcinomas of the uterus are much more often recorded in Wistar rats compared to SD rats, at mean incidences up to approximately 3%. Caspar Wistar was a prominent doctor in late 18th century Philadelphia, and taught at what became the University of Pennysylvannia. To Charles River in 1975 from CRUK. Ultrastructural studies suggest that this anomaly results from erratic subdivision of … Key words: N-Bis(2-hydroxypropyl)nitrosamine (DHPN) — Wistar rat — Multi-organ carcinogenesis — Preneoplasia and neoplasia — Chemical carcinogens Slippery Words Quiz—Changing with the Times. What does Wistar mean? Please tell us where you read or heard it (including the quote, if possible). An outbred albino rat used in medical research, having a wide head, long ears, and a tail shorter than the rest of its body. ARE PLATINUM NANOPARTICLES SAFE TO HUMAN HEALTH? How to pronounce rats, wistar? A Wistar substrain that was disseminated to Glaxo Laboratory (UK) from the Wistar Institute in Philadelphia in 1933, then to the Dutch Institution for Nutrition (Amsterdam, The Netherlands) and maintained by Unilever Company (Vlaardingen, The Netherlands) from 1941. Ringtail at Rat Guide L.Crippa et al., Ringtail in suckling Munich Wistar Fromter rats: a histopathologic study Ringtail, The ... Ringtail, also known as tail necrosis, is an epidermal disease that may occur in rats , mice, hamsters and other rodents. Test your knowledge - and maybe learn something along the way. Taconic received breeding stock from RCC in 1998. "Rats, Wistar" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings).Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity. Plasma EPO levels were 4-10-fold higher than EPO levels in urine, kidney or liver. While less commonly used for research than mice, rats have served as an important animal model for research in psychology and biomedical science. 24% in serially phlebotomized animals and >99% in PHZ-treated rats. Leydig cell tumors in the strains discussed have been recorded up to 4% in Wistar rats versus 3% in SD rats, but even higher incidences have been reported for Wistar rats (Nolte et al. The rats were derived by caesarean in 1999. rats. The Wistar rat, Wistar Hannover (Wistar HAN) rat, and Wistar Unilever (WU) rat are outbred rat strains, while the Wistar Kyoto and Wistar Furth rats are inbred strains. 1. 'All Intensive Purposes' or 'All Intents and Purposes'? Post the Definition of Wistar rat to Facebook, Share the Definition of Wistar rat on Twitter, The Difference Between 'Hoard' and 'Horde'. So, the mean circulating levels of T3, T4 and cort … 'Nip it in the butt' or 'Nip it in the bud'. ‘Albino Wistar rats fed on standard chow diet were obtained from the Animal House, College of Medicine, King Faisal University and used for the study.’ ‘Male Wistar rats were given 10 or 20% ethanol in the drinking water for 3 or 6 weeks and no chromosome aberrations were found in the bone marrow or peripheral blood lymphocytes.’ Wistar IGS Rat Details To Scientific Products Farm, Ltd. [predecessor of Charles River United Kingdom (CRUK)] in 1947 from Wistar Institute. Wistar albino rats were divided into five groups each consisting of six animals; group I (left untreated) considered as control, group II (ointment base treated) considered as negative control, group III treated with 5% (w/w) povidone iodine ointment (Intadine USP), which served as standard, group IV treated wit… Medical Eponyms © Farlex 2012 Want to thank TFD for its existence? Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. Learn a new word every day. This particular colony was selected because of a low incidence of hydronephrosis. Wistar rats - an inbred strain of rats used for research. A strain of albino rat developed at the Wistar Institute that has spread widely at other institutionsThis has markedly diluted the original strain. This strain is now disseminated by Harland Nederland. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Rats of the Wistar Furth (WF) strain have hereditary macrothrombocytopenia (large mean platelet volume [MPV] with increased platelet size heterogeneity and reduced platelet count). The rats were refreshed with cryopreserved embryos in 1998. Plasma is The Effect of Imperata cylindrica on Body Weight of Wistar Rats After 28 Day Treatment . Mean Range n Mean Range n Envigo Han Wistar rat 73 60-85 46 65 50-82 47 CR Sprague-Dawley rat 46 28-71 51 37 18-57 49 Strain Males Females Mean Range n Mean Range n Envigo Han Wistar rat 36 30-43 46 32 25-41 47 CR Sprague-Dawley rat 23 14-35 51 18 9-28 49 Wistar rat synonyms, Wistar rat pronunciation, Wistar rat translation, English dictionary definition of Wistar rat. Accessed 25 Jan. 2021. This has markedly diluted the original strain. Average and Range Weights Male and Female Wistar and Sprague Dawley Rats from 3 to 12 Weeks held at ARC (updated yearly) Average and Range of Weights (g) of Commonly Used Strains of Mice* Mean hormone level in blood samples collected every four hours during a 24 hour period do differ between both strain of rats. at one's wit's or wits' end, drained of all ideas or mental resources; utterly confused or frustrated. (B,C) Ro 64-6198 did not affect cocaine self-administration in LgA-trained rats either during the first hour of the session (B) or during the entire 6 h session (C) . The Topical Skin Application of Purple Corn Extract (Zea mays) Inhibited the Increase in MMP-1 Levels and Decreased Collagen in Wistar rats (Rattus norvegicus) Exposed to UV-B Rays, Delay Gradients for Spout-Licking and Magazine-Entering Induced by a Periodic Food Schedule, In Vivo Comparative Evaluation of the Pomegranate (Punica granatum) Peel Extract as an Alternative Agent to Nystatin against Oral Candidiasis, Electrocardiogram Delineation in a Wistar Rat Experimental Model, Development of a controlled release formulation of an indigenous insect growth regulator, DPE-28, a substituted diphenylether, for controlling the breeding of Culex quinquefasciatus, The effect of calabash chalk on some hematological parameters in female adult Wistar rats / Kalabas tebesiri (Calabash chalk) disi yetiskin Wistar sicanlarin bazi hematolojik parametreleri uzerindeki etkisi, Evaluation of the genotoxic potential of Austroplenckia populnea (reiss) Lundell chloroform fraction from barkwood extract in rodent cells in vivo/Avaliacao do potencial genotoxico da fracao cloroformica de cascas do caule de austroplenckia populnea em celulas de roedores in vivo, Possible central role of oxytocin in neurobehaviour of male rats and mice, Effect of Wheat/Cassava Composite Bread on Liver Architecture of Wistar Rat, Age-related changes and effects of regular low-intensity exercise on gait, balance, and oxidative biomarkers in the spinal cord of Wistar rats, Wissenschaftliches Institut für Kommunikationsdienste GmbH, Wissenschaftsgemeinschaft Gottfried Wilhelm Leibniz, Wissenschaftszentrum Berlin für Sozialforschung, Wissensmanagement in Virtuellen Unternehmen. What made you want to look up Wistar rat? Maximum mean reticulocyte values were ca. sperm cells of Wistar rats consist of a hook shaped head (question mark shape), a thin neck, mid-piece and a long tail. The mean body weights at puberty (PND 44) and necropsy (PND 53) following postweaning exposure to triclosan in the male Wistar rat. Wistar Unilever, Rat Strain Definition 1. "Rats, Wistar" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings).Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity. All blood was collected from the abdominal aorta. It is only in rats and mice that the heads of spermatozoa terminate in a distinct “hook” shape (Garner & Hafez, 1993). Effect of Imperata cylindrica Roots Aqueous Extract on Blood Glucose Level of Wistar Rats. Rats, Wistar (n.). Medical Eponyms © Farlex 2012 Want to thank TFD for its existence? Flow cytometric differentials of rat bone marrow using 2, 7-dichlorofluorescin successfully predicted erythroid hyperplasia in both experimental groups. How to use a word that (literally) drives some pe... Do you know these earlier meanings of words? Sprague-Dawley (SD) rats kept at room temperature do have a higher growth rate and food conversion compared to Wistar rats. The present study was aimed at investigating the wound healing effect of ethanolic extract ofCestrum nocturnum (L.) leaves (EECN) using excision and incision wound model.Methods. The rats were fasted overnight prior to blood collection. (A) Ro 64-6198 at a dose of 3.0 mg/kg decreased the number of infusions that were received by ShA rats. Wistar 0.156 0.025 0.160 0.016 0.103 0.297 0.041 0.138 0.025 0.084 0.052 0.011 0.212 0.008 0.154 Female rat average 0.158 0.102 0.136 0.083 0.225 0.162 Rat average 0.152 0.096 0.129 0.078 0.223 0.161 MOUSE DEFAULT VALUES. “Wistar rat.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Wistar%20rat. Medical definition of Wistar rat: an albino rat widely used in biological and medical research. A laboratory rat or lab rat is a brown rat of the subspecies Rattus norvegicus domestica which is bred and kept for scientific research. 4 ). Wistar Rats Wistar rats encompass a number of rat substrains that have been derived from a common lineage over the past 50+ years. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Blood is composed of cells and plasma. 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